Curtis 1243GEN2 Manual
A-1
APPENDIX A: EMC & ESD DESIGN CONSIDERATIONS
APPENDIX D
SPECIFICATIONS
NOMINAL DRIVE
ARMATURE FIELD
BRAKING
BATTERY CURRENT 2 MIN 1 HOUR 2 MIN 1 HOUR CURRENT
MODEL VOLTAGE LIMIT RATING RATING RATING RATING LIMIT
NUMBER
*
(volts) (amps) (amps) (amps) (amps) (amps) (amps)
1243-24XX 24 350 350 120 35 20 350
1243-42XX 24–36 200 200 80 25/35
†
15/20 200
1243-43XX 24–36 300 300 100 25/35
†
15/20 300
*
The last two digits of 1243GEN2 model numbers are 20 or higher:
1243-2401, 1243-4202, and 1243-4301 are 1243 controllers,
1243-24
20, 1243-4221, and 1243-4320 are 1243GEN2 controllers.
† The 1243-42XX and -43XX models are available as 25 amp or 35 amp models.
Table D-1 SPECIFICATIONS: 1243
GEN2 CONTROLLER
Nominal input voltage 24–36 V
PWM operating frequency 16 kHz
Electrical isolation to heatsink 500 V ac (minimum)
KSI input voltage (minimum) 16.8 V
KSI input current (no contactors engaged) 78 mA without programmer;
120 mA with 1311 programmer (110 mA with 1307)
Logic input voltage >7.5 V High; <1 V Low
Logic input current 15 mA
Operating ambient temperature range -40°C to 50°C (-40°F to 122°F)
Heatsink overtemperature cutback 85°C (185°F)
Heatsink undertemperature cutback -25°C (-13°F)
Overvoltage protection 24V models: cutback at approx. 30V, cutback at ≈34V
36V models: cutback at approx. 45V, cutback at ≈49V
Undervoltage protection 24V models: cutback at approx. 17V, cutback at ≈13V
36V models: cutback at approx. 25V, cutback at ≈21V
Package environmental rating IP53
Weight 1.45 kg (3.2 lb)
Dimensions (L × W× H) 198 × 114 × 70 mm (7.8" × 4.5" × 2.8")
Regulatory compliance Safety, applicable portions: EN 1175-1:1998
EMC and EMI: EN 12895:2000
UL Recognized Component, UL File AU1841
APPENDIX D: SPECIFICATIONS
D-1